Until that time we have to guard against all treacheries. "在事成之前,咱们一定要提高警惕, 严防 有人出卖咱们.I would pay him back for his treacheries.对他的背信弃义我要报复....

n.背信弃义( treachery的名词复数 )，欺诈，背叛行为，欺诈行为...

treacheries的音标：...